Improved composition of matter



UNITED STATEs PATENT QFFIC'E.

STUART GWYNN, OF NEW YORK, N. Y., ASSIGNOR TO. AMERICAN METALINECOMPANY, OF SAME PLACE.

IMPROVED COMPOSITION OF MATTER, CALLED METALINE," FOR JOURNALS,BEARINGS, &C-

Specification forming part of Letters Patent No. [01,868, dated April12, 1870 antedated March 30, 1870 To all whom it may concern:

Be it known that I, STUART GWYNN, of the city of New York, in the countyof New York and State of New York, have invented a new Composition ofMatter, which I denominate Metaline N o. 8, designed for the purpose ofjournal-boxes, journal-box linings, and other similar articles havingsurfaces that are intended to be subjected in use to friction.

The nature of my invention consists in combinin g oxide of tin andbeeswax, or their equivalents, upon the principles and in pursuance ofthe method fully described and illustrated in the specification annexedto my application for Letters Patent for a process for making metaline,filed in the Patent Office simultaneously herewith, and to whichreference is made, whereby I produce a composition of matter having suchproperties and conditions that so little friction will be caused, and solittle heat developed in the practical use of the above-named articlesmade of it, in machinery and elsewhere in the arts, that the necessityfor the application of oil or any other lubricant to their surfaces isentirely obviated.

To make this composition of matter, I take of the oxide of tinninety-five parts, and of bees-wax five parts. The oxide of tin is foundin commerce as a fine powder, and in that state I use it. It is to beintimately incorporated with the bees-wax in a warm mill, by taking,first, about equal proportions, and

adding the rest of the oxide of tin a little at a time while thegrinding is going on. The mass is then to be subjected to severepressure in a mold, to give it the required degree of solidity.

In journal-boxes made of or lined with this composition, journals may bepractically run at a high rate of speed without a lubricant.

While I intend to limit myself in this specification to metallic oxidesfor the principal element of said compound, whose conditions needmodification to convert it into metaline, other metallic oxides besidesoxide of tin, its equivalent for the purpose intended, may be employed,and other agents besides bees-wax,

its equivalent for the purpose intended, may be used. So, also, therelative proportions of the oxide of tin and beeswax, or theirequivalents above stated, may be varied within the limits of the processhereinbefore referred to, without departing from the spirit of myinvention.

I claim as my invention- The manufacture or preparation of a compositionof matter, which I denominate Metali'ne No.8, when the same possessesthe properties and is compounded of the ingredients, or theirequivalents, in the proportions, by the process, and for the purposesset forth.

STUART GWYNN.

Witnesses:

J. P. FITCH, HENRY N. MYGATT.

